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Author Question: Cans of tomato paste produced by a company are normally distributed with a mean of 6 ounces and a ... (Read 47 times)

haleyc112

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on: Jun 24, 2018
Cans of tomato paste produced by a company are normally distributed with a mean of 6 ounces and a standard deviation of 0.3 ounces.
 a. What percentage of all cans produced contains more than 6.51 ounces of tomato paste?
  b. What percentage of all cans produced contains less than 5.415 ounces of tomato paste?
  c. What percentage of cans contains between 5.46 and 6.495 ounces of tomato paste?
  d. Ninety-five percent of cans will contain at least how many ounces of tomato paste?
  e. What percentage of cans contains between 6.3 and 6.6 ounces of tomato paste?

Question 2

The average monthly electric bill of a random sample of 256 residents of a city is 90 . The population standard deviation is assumed to be 24.
 a. Construct a 90 confidence interval for the mean monthly electric bills of all residents.
  b. Construct a 95 confidence interval for the mean monthly electric bills of all residents.


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shailee

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 4.46
b. 2.56
c. 91.46
d. 5.5067 ounces
e. 13.59

Answer to Question 2

a. 87.5325 to 92.4675
b. 87.06 to 92.94


haleyc112

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Reply 2 on: Jun 24, 2018
Gracias!

Liddy

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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